Someone recently broke into my car at night. I can't afford to install a true car alarm. Instead, I'd like to put a bright red flashing LED on my dashboard. [more inside]
I am the proud new owner of a soldering iron. What are some good first projects? Must be cheap and at least marginally useful. Blinky lights are a plus! [more inside]
What are your experiences with different brands and types of benchtop/lab power supplies? Do certain ones fail more often than others? Easier to fix? Better power conditioning? [more inside]
Wiring/music equipment question: I have a fairly cheap 30WVox guitar amplifier with a phone/line out jack on the back. When I plug something into the jack, sounds stops coming from the amp's speaker and starts coming out of whatever I plugged in instead. However, I would like it if the sound would come out of both at the same time. How easy or difficult would it be to rewire the amp so that it works this way? I'm good with a soldering iron, but not too great with circuit analysis.
Should I eat – er, solder – this? I'm building a preamp and I just discovered that I'm low on 0.1μF 50v ceramic disc capacitors. My question is about whether it's worth trying to salvage more from another (already disassembled) piece of equipment. [more inside]
Old garage door opener, and the last remote has gone missing. Can I go to radio shack, and make something work? I suspect this might sound nuts. [more inside]
Soldering - Please give me all your iron and accessories recommendations for a beginning home hobbyist (electronics, circuit boards, etc) [more inside]
Tips for hand soldering leads to printed flexible circuits? [more inside]